India is about to install a new prime minister who is not a Gandhi, not a member of the Congress party, not a policy intellectual, and not a product of India's westward-looking professional class. After a decade of increasingly stagnant Congress rule, India is heading into the great unknown. Narendra Modi had said a great deal about how he wants to change India's economic policy -- even if most of it is vague and hortatory. But he has said next to nothing about foreign policy. A figure as forceful as Modi and as disdainful of the country's political class would seem likely to reshape India's posture toward the world. But how?